Home / 117,281.18-175,966.05-70,566.86

Finding the Fourth Proportional to 117,281.18, 175,966.05 and 70,566.86

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Solution

The fourth proportional to 117,281.18, 175,966.05 and 70,566.86 is: 105,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,281.18 : 175,966.05 = 70,566.86 : x
  2. Step 2: Convert to fraction form
    117,281.18/175,966.05 = 70,566.86/x
  3. Step 3: Cross multiply
    117,281.18x = 175,966.05 × 70,566.86
  4. Step 4: Simplify right side
    117,281.18x = 12,417,371,615.10
  5. Step 5: Solve for x
    x = 12,417,371,615.10/117,281.18
  6. Step 6: Final answer
    x = 105,876.93

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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.