Home / 134,746.76-185,959.02-77,404.02

Finding the Fourth Proportional to 134,746.76, 185,959.02 and 77,404.02

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Solution

The fourth proportional to 134,746.76, 185,959.02 and 77,404.02 is: 106,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,746.76 : 185,959.02 = 77,404.02 : x
  2. Step 2: Convert to fraction form
    134,746.76/185,959.02 = 77,404.02/x
  3. Step 3: Cross multiply
    134,746.76x = 185,959.02 × 77,404.02
  4. Step 4: Simplify right side
    134,746.76x = 14,393,975,703.26
  5. Step 5: Solve for x
    x = 14,393,975,703.26/134,746.76
  6. Step 6: Final answer
    x = 106,822.43

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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.