Home / 156,989.40-235,484.10-155,513.18

Finding the Fourth Proportional to 156,989.40, 235,484.10 and 155,513.18

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Solution

The fourth proportional to 156,989.40, 235,484.10 and 155,513.18 is: 233,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.40 : 235,484.10 = 155,513.18 : x
  2. Step 2: Convert to fraction form
    156,989.40/235,484.10 = 155,513.18/x
  3. Step 3: Cross multiply
    156,989.40x = 235,484.10 × 155,513.18
  4. Step 4: Simplify right side
    156,989.40x = 36,620,880,053.02
  5. Step 5: Solve for x
    x = 36,620,880,053.02/156,989.40
  6. Step 6: Final answer
    x = 233,269.76

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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.