Home / 434,421.18-651,718.80-150,122.16

Finding the Fourth Proportional to 434,421.18, 651,718.80 and 150,122.16

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Solution

The fourth proportional to 434,421.18, 651,718.80 and 150,122.16 is: 225,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,421.18 : 651,718.80 = 150,122.16 : x
  2. Step 2: Convert to fraction form
    434,421.18/651,718.80 = 150,122.16/x
  3. Step 3: Cross multiply
    434,421.18x = 651,718.80 × 150,122.16
  4. Step 4: Simplify right side
    434,421.18x = 97,837,433,968.61
  5. Step 5: Solve for x
    x = 97,837,433,968.61/434,421.18
  6. Step 6: Final answer
    x = 225,213.31

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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.