Home / 156,775.23-216,346.23-85,153.68

Finding the Fourth Proportional to 156,775.23, 216,346.23 and 85,153.68

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Solution

The fourth proportional to 156,775.23, 216,346.23 and 85,153.68 is: 117,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,775.23 : 216,346.23 = 85,153.68 : x
  2. Step 2: Convert to fraction form
    156,775.23/216,346.23 = 85,153.68/x
  3. Step 3: Cross multiply
    156,775.23x = 216,346.23 × 85,153.68
  4. Step 4: Simplify right side
    156,775.23x = 18,422,677,638.63
  5. Step 5: Solve for x
    x = 18,422,677,638.63/156,775.23
  6. Step 6: Final answer
    x = 117,510.13

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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.