Home / 280,846.04-387,565.56-153,521.93

Finding the Fourth Proportional to 280,846.04, 387,565.56 and 153,521.93

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Solution

The fourth proportional to 280,846.04, 387,565.56 and 153,521.93 is: 211,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,846.04 : 387,565.56 = 153,521.93 : x
  2. Step 2: Convert to fraction form
    280,846.04/387,565.56 = 153,521.93/x
  3. Step 3: Cross multiply
    280,846.04x = 387,565.56 × 153,521.93
  4. Step 4: Simplify right side
    280,846.04x = 59,499,813,741.64
  5. Step 5: Solve for x
    x = 59,499,813,741.64/280,846.04
  6. Step 6: Final answer
    x = 211,859.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.