Home / 153,043.12-229,603.56-89,916.58

Finding the Fourth Proportional to 153,043.12, 229,603.56 and 89,916.58

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Solution

The fourth proportional to 153,043.12, 229,603.56 and 89,916.58 is: 134,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,043.12 : 229,603.56 = 89,916.58 : x
  2. Step 2: Convert to fraction form
    153,043.12/229,603.56 = 89,916.58/x
  3. Step 3: Cross multiply
    153,043.12x = 229,603.56 × 89,916.58
  4. Step 4: Simplify right side
    153,043.12x = 20,645,166,871.02
  5. Step 5: Solve for x
    x = 20,645,166,871.02/153,043.12
  6. Step 6: Final answer
    x = 134,897.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.