Home / 130,854.65-180,565.07-73,482.35

Finding the Fourth Proportional to 130,854.65, 180,565.07 and 73,482.35

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Solution

The fourth proportional to 130,854.65, 180,565.07 and 73,482.35 is: 101,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,854.65 : 180,565.07 = 73,482.35 : x
  2. Step 2: Convert to fraction form
    130,854.65/180,565.07 = 73,482.35/x
  3. Step 3: Cross multiply
    130,854.65x = 180,565.07 × 73,482.35
  4. Step 4: Simplify right side
    130,854.65x = 13,268,344,401.28
  5. Step 5: Solve for x
    x = 13,268,344,401.28/130,854.65
  6. Step 6: Final answer
    x = 101,397.58

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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.