Home / 156,661.04-216,304.56-96,312.64

Finding the Fourth Proportional to 156,661.04, 216,304.56 and 96,312.64

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Solution

The fourth proportional to 156,661.04, 216,304.56 and 96,312.64 is: 132,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,661.04 : 216,304.56 = 96,312.64 : x
  2. Step 2: Convert to fraction form
    156,661.04/216,304.56 = 96,312.64/x
  3. Step 3: Cross multiply
    156,661.04x = 216,304.56 × 96,312.64
  4. Step 4: Simplify right side
    156,661.04x = 20,832,863,217.64
  5. Step 5: Solve for x
    x = 20,832,863,217.64/156,661.04
  6. Step 6: Final answer
    x = 132,980.50

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1.5x scale

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.