Home / 177,728.32-245,106.12-147,465.64

Finding the Fourth Proportional to 177,728.32, 245,106.12 and 147,465.64

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Solution

The fourth proportional to 177,728.32, 245,106.12 and 147,465.64 is: 203,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,728.32 : 245,106.12 = 147,465.64 : x
  2. Step 2: Convert to fraction form
    177,728.32/245,106.12 = 147,465.64/x
  3. Step 3: Cross multiply
    177,728.32x = 245,106.12 × 147,465.64
  4. Step 4: Simplify right side
    177,728.32x = 36,144,730,853.72
  5. Step 5: Solve for x
    x = 36,144,730,853.72/177,728.32
  6. Step 6: Final answer
    x = 203,370.69

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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.