Home / 176,148.50-243,085.02-100,698.62

Finding the Fourth Proportional to 176,148.50, 243,085.02 and 100,698.62

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Solution

The fourth proportional to 176,148.50, 243,085.02 and 100,698.62 is: 138,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,148.50 : 243,085.02 = 100,698.62 : x
  2. Step 2: Convert to fraction form
    176,148.50/243,085.02 = 100,698.62/x
  3. Step 3: Cross multiply
    176,148.50x = 243,085.02 × 100,698.62
  4. Step 4: Simplify right side
    176,148.50x = 24,478,326,056.67
  5. Step 5: Solve for x
    x = 24,478,326,056.67/176,148.50
  6. Step 6: Final answer
    x = 138,964.15

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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.