Home / 249,316.84-373,981.02-71,828.20

Finding the Fourth Proportional to 249,316.84, 373,981.02 and 71,828.20

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Solution

The fourth proportional to 249,316.84, 373,981.02 and 71,828.20 is: 107,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,316.84 : 373,981.02 = 71,828.20 : x
  2. Step 2: Convert to fraction form
    249,316.84/373,981.02 = 71,828.20/x
  3. Step 3: Cross multiply
    249,316.84x = 373,981.02 × 71,828.20
  4. Step 4: Simplify right side
    249,316.84x = 26,862,383,500.76
  5. Step 5: Solve for x
    x = 26,862,383,500.76/249,316.84
  6. Step 6: Final answer
    x = 107,743.96

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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.