Home / 132,555.84-182,924.10-72,126.63

Finding the Fourth Proportional to 132,555.84, 182,924.10 and 72,126.63

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Solution

The fourth proportional to 132,555.84, 182,924.10 and 72,126.63 is: 99,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,555.84 : 182,924.10 = 72,126.63 : x
  2. Step 2: Convert to fraction form
    132,555.84/182,924.10 = 72,126.63/x
  3. Step 3: Cross multiply
    132,555.84x = 182,924.10 × 72,126.63
  4. Step 4: Simplify right side
    132,555.84x = 13,193,699,319.02
  5. Step 5: Solve for x
    x = 13,193,699,319.02/132,555.84
  6. Step 6: Final answer
    x = 99,533.15

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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.