Home / 215,312.08-297,124.68-119,822.16

Finding the Fourth Proportional to 215,312.08, 297,124.68 and 119,822.16

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Solution

The fourth proportional to 215,312.08, 297,124.68 and 119,822.16 is: 165,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,312.08 : 297,124.68 = 119,822.16 : x
  2. Step 2: Convert to fraction form
    215,312.08/297,124.68 = 119,822.16/x
  3. Step 3: Cross multiply
    215,312.08x = 297,124.68 × 119,822.16
  4. Step 4: Simplify right side
    215,312.08x = 35,602,120,946.91
  5. Step 5: Solve for x
    x = 35,602,120,946.91/215,312.08
  6. Step 6: Final answer
    x = 165,351.25

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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.