Home / 156,986.65-235,479.98-155,510.43

Finding the Fourth Proportional to 156,986.65, 235,479.98 and 155,510.43

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Solution

The fourth proportional to 156,986.65, 235,479.98 and 155,510.43 is: 233,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.65 : 235,479.98 = 155,510.43 : x
  2. Step 2: Convert to fraction form
    156,986.65/235,479.98 = 155,510.43/x
  3. Step 3: Cross multiply
    156,986.65x = 235,479.98 × 155,510.43
  4. Step 4: Simplify right side
    156,986.65x = 36,619,592,946.19
  5. Step 5: Solve for x
    x = 36,619,592,946.19/156,986.65
  6. Step 6: Final answer
    x = 233,265.65

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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.