Home / 130,781.16-180,470.16-73,416.24

Finding the Fourth Proportional to 130,781.16, 180,470.16 and 73,416.24

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Solution

The fourth proportional to 130,781.16, 180,470.16 and 73,416.24 is: 101,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,781.16 : 180,470.16 = 73,416.24 : x
  2. Step 2: Convert to fraction form
    130,781.16/180,470.16 = 73,416.24/x
  3. Step 3: Cross multiply
    130,781.16x = 180,470.16 × 73,416.24
  4. Step 4: Simplify right side
    130,781.16x = 13,249,440,579.40
  5. Step 5: Solve for x
    x = 13,249,440,579.40/130,781.16
  6. Step 6: Final answer
    x = 101,310.01

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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.