Home / 176,175.77-243,119.18-99,693.47

Finding the Fourth Proportional to 176,175.77, 243,119.18 and 99,693.47

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Solution

The fourth proportional to 176,175.77, 243,119.18 and 99,693.47 is: 137,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,175.77 : 243,119.18 = 99,693.47 : x
  2. Step 2: Convert to fraction form
    176,175.77/243,119.18 = 99,693.47/x
  3. Step 3: Cross multiply
    176,175.77x = 243,119.18 × 99,693.47
  4. Step 4: Simplify right side
    176,175.77x = 24,237,395,534.79
  5. Step 5: Solve for x
    x = 24,237,395,534.79/176,175.77
  6. Step 6: Final answer
    x = 137,575.08

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1.5x scale

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.