Home / 253,331.35-349,594.68-140,154.91

Finding the Fourth Proportional to 253,331.35, 349,594.68 and 140,154.91

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Solution

The fourth proportional to 253,331.35, 349,594.68 and 140,154.91 is: 193,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,331.35 : 349,594.68 = 140,154.91 : x
  2. Step 2: Convert to fraction form
    253,331.35/349,594.68 = 140,154.91/x
  3. Step 3: Cross multiply
    253,331.35x = 349,594.68 × 140,154.91
  4. Step 4: Simplify right side
    253,331.35x = 48,997,411,347.39
  5. Step 5: Solve for x
    x = 48,997,411,347.39/253,331.35
  6. Step 6: Final answer
    x = 193,412.35

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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.