Home / 132,307.20-182,580.48-78,592.32

Finding the Fourth Proportional to 132,307.20, 182,580.48 and 78,592.32

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Solution

The fourth proportional to 132,307.20, 182,580.48 and 78,592.32 is: 108,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,307.20 : 182,580.48 = 78,592.32 : x
  2. Step 2: Convert to fraction form
    132,307.20/182,580.48 = 78,592.32/x
  3. Step 3: Cross multiply
    132,307.20x = 182,580.48 × 78,592.32
  4. Step 4: Simplify right side
    132,307.20x = 14,349,423,509.91
  5. Step 5: Solve for x
    x = 14,349,423,509.91/132,307.20
  6. Step 6: Final answer
    x = 108,455.35

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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.