Home / 156,095.02-215,412.72-84,476.58

Finding the Fourth Proportional to 156,095.02, 215,412.72 and 84,476.58

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Solution

The fourth proportional to 156,095.02, 215,412.72 and 84,476.58 is: 116,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,095.02 : 215,412.72 = 84,476.58 : x
  2. Step 2: Convert to fraction form
    156,095.02/215,412.72 = 84,476.58/x
  3. Step 3: Cross multiply
    156,095.02x = 215,412.72 × 84,476.58
  4. Step 4: Simplify right side
    156,095.02x = 18,197,329,874.10
  5. Step 5: Solve for x
    x = 18,197,329,874.10/156,095.02
  6. Step 6: Final answer
    x = 116,578.54

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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.