Home / 190,373.08-262,700.40-105,488.32

Finding the Fourth Proportional to 190,373.08, 262,700.40 and 105,488.32

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Solution

The fourth proportional to 190,373.08, 262,700.40 and 105,488.32 is: 145,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,373.08 : 262,700.40 = 105,488.32 : x
  2. Step 2: Convert to fraction form
    190,373.08/262,700.40 = 105,488.32/x
  3. Step 3: Cross multiply
    190,373.08x = 262,700.40 × 105,488.32
  4. Step 4: Simplify right side
    190,373.08x = 27,711,823,859.33
  5. Step 5: Solve for x
    x = 27,711,823,859.33/190,373.08
  6. Step 6: Final answer
    x = 145,565.87

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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.