Home / 175,386.24-242,032.64-99,934.72

Finding the Fourth Proportional to 175,386.24, 242,032.64 and 99,934.72

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Solution

The fourth proportional to 175,386.24, 242,032.64 and 99,934.72 is: 137,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,386.24 : 242,032.64 = 99,934.72 : x
  2. Step 2: Convert to fraction form
    175,386.24/242,032.64 = 99,934.72/x
  3. Step 3: Cross multiply
    175,386.24x = 242,032.64 × 99,934.72
  4. Step 4: Simplify right side
    175,386.24x = 24,187,464,109.26
  5. Step 5: Solve for x
    x = 24,187,464,109.26/175,386.24
  6. Step 6: Final answer
    x = 137,909.70

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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.