Home / 149,590.18-224,246.76-78,498.10

Finding the Fourth Proportional to 149,590.18, 224,246.76 and 78,498.10

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Solution

The fourth proportional to 149,590.18, 224,246.76 and 78,498.10 is: 117,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,590.18 : 224,246.76 = 78,498.10 : x
  2. Step 2: Convert to fraction form
    149,590.18/224,246.76 = 78,498.10/x
  3. Step 3: Cross multiply
    149,590.18x = 224,246.76 × 78,498.10
  4. Step 4: Simplify right side
    149,590.18x = 17,602,944,591.16
  5. Step 5: Solve for x
    x = 17,602,944,591.16/149,590.18
  6. Step 6: Final answer
    x = 117,674.47

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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.