Home / 433,127.12-649,254.47-180,547.43

Finding the Fourth Proportional to 433,127.12, 649,254.47 and 180,547.43

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Solution

The fourth proportional to 433,127.12, 649,254.47 and 180,547.43 is: 270,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,127.12 : 649,254.47 = 180,547.43 : x
  2. Step 2: Convert to fraction form
    433,127.12/649,254.47 = 180,547.43/x
  3. Step 3: Cross multiply
    433,127.12x = 649,254.47 × 180,547.43
  4. Step 4: Simplify right side
    433,127.12x = 117,221,221,825.50
  5. Step 5: Solve for x
    x = 117,221,221,825.50/433,127.12
  6. Step 6: Final answer
    x = 270,639.31

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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.