Home / 153,926.90-212,416.91-85,944.93

Finding the Fourth Proportional to 153,926.90, 212,416.91 and 85,944.93

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Solution

The fourth proportional to 153,926.90, 212,416.91 and 85,944.93 is: 118,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,926.90 : 212,416.91 = 85,944.93 : x
  2. Step 2: Convert to fraction form
    153,926.90/212,416.91 = 85,944.93/x
  3. Step 3: Cross multiply
    153,926.90x = 212,416.91 × 85,944.93
  4. Step 4: Simplify right side
    153,926.90x = 18,256,156,031.04
  5. Step 5: Solve for x
    x = 18,256,156,031.04/153,926.90
  6. Step 6: Final answer
    x = 118,602.77

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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.