Home / 578,255.04-867,278.06-157,432.50

Finding the Fourth Proportional to 578,255.04, 867,278.06 and 157,432.50

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Solution

The fourth proportional to 578,255.04, 867,278.06 and 157,432.50 is: 236,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,255.04 : 867,278.06 = 157,432.50 : x
  2. Step 2: Convert to fraction form
    578,255.04/867,278.06 = 157,432.50/x
  3. Step 3: Cross multiply
    578,255.04x = 867,278.06 × 157,432.50
  4. Step 4: Simplify right side
    578,255.04x = 136,537,752,393.79
  5. Step 5: Solve for x
    x = 136,537,752,393.79/578,255.04
  6. Step 6: Final answer
    x = 236,120.30

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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.