Home / 175,839.60-242,417.64-111,276.72

Finding the Fourth Proportional to 175,839.60, 242,417.64 and 111,276.72

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Solution

The fourth proportional to 175,839.60, 242,417.64 and 111,276.72 is: 153,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,839.60 : 242,417.64 = 111,276.72 : x
  2. Step 2: Convert to fraction form
    175,839.60/242,417.64 = 111,276.72/x
  3. Step 3: Cross multiply
    175,839.60x = 242,417.64 × 111,276.72
  4. Step 4: Simplify right side
    175,839.60x = 26,975,439,849.34
  5. Step 5: Solve for x
    x = 26,975,439,849.34/175,839.60
  6. Step 6: Final answer
    x = 153,409.36

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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.