Home / 156,740.46-216,368.02-105,822.14

Finding the Fourth Proportional to 156,740.46, 216,368.02 and 105,822.14

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Solution

The fourth proportional to 156,740.46, 216,368.02 and 105,822.14 is: 146,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.46 : 216,368.02 = 105,822.14 : x
  2. Step 2: Convert to fraction form
    156,740.46/216,368.02 = 105,822.14/x
  3. Step 3: Cross multiply
    156,740.46x = 216,368.02 × 105,822.14
  4. Step 4: Simplify right side
    156,740.46x = 22,896,526,903.96
  5. Step 5: Solve for x
    x = 22,896,526,903.96/156,740.46
  6. Step 6: Final answer
    x = 146,079.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.