Home / 156,963.20-235,444.80-97,606.40

Finding the Fourth Proportional to 156,963.20, 235,444.80 and 97,606.40

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Solution

The fourth proportional to 156,963.20, 235,444.80 and 97,606.40 is: 146,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963.20 : 235,444.80 = 97,606.40 : x
  2. Step 2: Convert to fraction form
    156,963.20/235,444.80 = 97,606.40/x
  3. Step 3: Cross multiply
    156,963.20x = 235,444.80 × 97,606.40
  4. Step 4: Simplify right side
    156,963.20x = 22,980,919,326.72
  5. Step 5: Solve for x
    x = 22,980,919,326.72/156,963.20
  6. Step 6: Final answer
    x = 146,409.60

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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.