Home / 156,445.51-215,881.45-88,459.15

Finding the Fourth Proportional to 156,445.51, 215,881.45 and 88,459.15

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Solution

The fourth proportional to 156,445.51, 215,881.45 and 88,459.15 is: 122,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,445.51 : 215,881.45 = 88,459.15 : x
  2. Step 2: Convert to fraction form
    156,445.51/215,881.45 = 88,459.15/x
  3. Step 3: Cross multiply
    156,445.51x = 215,881.45 × 88,459.15
  4. Step 4: Simplify right side
    156,445.51x = 19,096,689,567.77
  5. Step 5: Solve for x
    x = 19,096,689,567.77/156,445.51
  6. Step 6: Final answer
    x = 122,066.08

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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.