Home / 132,347.52-182,643.66-75,777.12

Finding the Fourth Proportional to 132,347.52, 182,643.66 and 75,777.12

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Solution

The fourth proportional to 132,347.52, 182,643.66 and 75,777.12 is: 104,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,347.52 : 182,643.66 = 75,777.12 : x
  2. Step 2: Convert to fraction form
    132,347.52/182,643.66 = 75,777.12/x
  3. Step 3: Cross multiply
    132,347.52x = 182,643.66 × 75,777.12
  4. Step 4: Simplify right side
    132,347.52x = 13,840,210,541.06
  5. Step 5: Solve for x
    x = 13,840,210,541.06/132,347.52
  6. Step 6: Final answer
    x = 104,574.76

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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.