Home / 130,613.77-180,080.14-84,592.10

Finding the Fourth Proportional to 130,613.77, 180,080.14 and 84,592.10

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Solution

The fourth proportional to 130,613.77, 180,080.14 and 84,592.10 is: 116,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,613.77 : 180,080.14 = 84,592.10 : x
  2. Step 2: Convert to fraction form
    130,613.77/180,080.14 = 84,592.10/x
  3. Step 3: Cross multiply
    130,613.77x = 180,080.14 × 84,592.10
  4. Step 4: Simplify right side
    130,613.77x = 15,233,357,210.89
  5. Step 5: Solve for x
    x = 15,233,357,210.89/130,613.77
  6. Step 6: Final answer
    x = 116,629.03

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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.