Home / 157,323.65-235,987.91-45,001.76

Finding the Fourth Proportional to 157,323.65, 235,987.91 and 45,001.76

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Solution

The fourth proportional to 157,323.65, 235,987.91 and 45,001.76 is: 67,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,323.65 : 235,987.91 = 45,001.76 : x
  2. Step 2: Convert to fraction form
    157,323.65/235,987.91 = 45,001.76/x
  3. Step 3: Cross multiply
    157,323.65x = 235,987.91 × 45,001.76
  4. Step 4: Simplify right side
    157,323.65x = 10,619,871,063.71
  5. Step 5: Solve for x
    x = 10,619,871,063.71/157,323.65
  6. Step 6: Final answer
    x = 67,503.34

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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.