Home / 130,864.16-180,596.98-73,513.60

Finding the Fourth Proportional to 130,864.16, 180,596.98 and 73,513.60

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Solution

The fourth proportional to 130,864.16, 180,596.98 and 73,513.60 is: 101,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,864.16 : 180,596.98 = 73,513.60 : x
  2. Step 2: Convert to fraction form
    130,864.16/180,596.98 = 73,513.60/x
  3. Step 3: Cross multiply
    130,864.16x = 180,596.98 × 73,513.60
  4. Step 4: Simplify right side
    130,864.16x = 13,276,334,148.93
  5. Step 5: Solve for x
    x = 13,276,334,148.93/130,864.16
  6. Step 6: Final answer
    x = 101,451.26

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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.