Home / 666,316.68-999,475.02-193,002.20

Finding the Fourth Proportional to 666,316.68, 999,475.02 and 193,002.20

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Solution

The fourth proportional to 666,316.68, 999,475.02 and 193,002.20 is: 289,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,316.68 : 999,475.02 = 193,002.20 : x
  2. Step 2: Convert to fraction form
    666,316.68/999,475.02 = 193,002.20/x
  3. Step 3: Cross multiply
    666,316.68x = 999,475.02 × 193,002.20
  4. Step 4: Simplify right side
    666,316.68x = 192,900,877,705.04
  5. Step 5: Solve for x
    x = 192,900,877,705.04/666,316.68
  6. Step 6: Final answer
    x = 289,503.30

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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.