Home / 116,423.18-174,510.43-66,395.55

Finding the Fourth Proportional to 116,423.18, 174,510.43 and 66,395.55

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Solution

The fourth proportional to 116,423.18, 174,510.43 and 66,395.55 is: 99,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,423.18 : 174,510.43 = 66,395.55 : x
  2. Step 2: Convert to fraction form
    116,423.18/174,510.43 = 66,395.55/x
  3. Step 3: Cross multiply
    116,423.18x = 174,510.43 × 66,395.55
  4. Step 4: Simplify right side
    116,423.18x = 11,586,715,980.59
  5. Step 5: Solve for x
    x = 11,586,715,980.59/116,423.18
  6. Step 6: Final answer
    x = 99,522.41

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1.5x scale

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.