Home / 132,663.52-183,088.56-99,071.20

Finding the Fourth Proportional to 132,663.52, 183,088.56 and 99,071.20

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Solution

The fourth proportional to 132,663.52, 183,088.56 and 99,071.20 is: 136,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,663.52 : 183,088.56 = 99,071.20 : x
  2. Step 2: Convert to fraction form
    132,663.52/183,088.56 = 99,071.20/x
  3. Step 3: Cross multiply
    132,663.52x = 183,088.56 × 99,071.20
  4. Step 4: Simplify right side
    132,663.52x = 18,138,803,345.47
  5. Step 5: Solve for x
    x = 18,138,803,345.47/132,663.52
  6. Step 6: Final answer
    x = 136,727.89

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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.