Home / 156,952.36-216,598.50-85,337.32

Finding the Fourth Proportional to 156,952.36, 216,598.50 and 85,337.32

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Solution

The fourth proportional to 156,952.36, 216,598.50 and 85,337.32 is: 117,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,952.36 : 216,598.50 = 85,337.32 : x
  2. Step 2: Convert to fraction form
    156,952.36/216,598.50 = 85,337.32/x
  3. Step 3: Cross multiply
    156,952.36x = 216,598.50 × 85,337.32
  4. Step 4: Simplify right side
    156,952.36x = 18,483,935,506.02
  5. Step 5: Solve for x
    x = 18,483,935,506.02/156,952.36
  6. Step 6: Final answer
    x = 117,767.81

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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.