Home / 347,909.19-521,699.28-134,776.93

Finding the Fourth Proportional to 347,909.19, 521,699.28 and 134,776.93

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Solution

The fourth proportional to 347,909.19, 521,699.28 and 134,776.93 is: 202,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,909.19 : 521,699.28 = 134,776.93 : x
  2. Step 2: Convert to fraction form
    347,909.19/521,699.28 = 134,776.93/x
  3. Step 3: Cross multiply
    347,909.19x = 521,699.28 × 134,776.93
  4. Step 4: Simplify right side
    347,909.19x = 70,313,027,341.61
  5. Step 5: Solve for x
    x = 70,313,027,341.61/347,909.19
  6. Step 6: Final answer
    x = 202,101.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.