Home / 156,457.84-215,924.10-132,124.72

Finding the Fourth Proportional to 156,457.84, 215,924.10 and 132,124.72

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Solution

The fourth proportional to 156,457.84, 215,924.10 and 132,124.72 is: 182,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,457.84 : 215,924.10 = 132,124.72 : x
  2. Step 2: Convert to fraction form
    156,457.84/215,924.10 = 132,124.72/x
  3. Step 3: Cross multiply
    156,457.84x = 215,924.10 × 132,124.72
  4. Step 4: Simplify right side
    156,457.84x = 28,528,911,253.75
  5. Step 5: Solve for x
    x = 28,528,911,253.75/156,457.84
  6. Step 6: Final answer
    x = 182,342.48

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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.