Home / 176,346.45-243,356.40-99,863.55

Finding the Fourth Proportional to 176,346.45, 243,356.40 and 99,863.55

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Solution

The fourth proportional to 176,346.45, 243,356.40 and 99,863.55 is: 137,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,346.45 : 243,356.40 = 99,863.55 : x
  2. Step 2: Convert to fraction form
    176,346.45/243,356.40 = 99,863.55/x
  3. Step 3: Cross multiply
    176,346.45x = 243,356.40 × 99,863.55
  4. Step 4: Simplify right side
    176,346.45x = 24,302,434,019.22
  5. Step 5: Solve for x
    x = 24,302,434,019.22/176,346.45
  6. Step 6: Final answer
    x = 137,810.74

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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.