Home / 118,901.24-164,090.40-70,531.84

Finding the Fourth Proportional to 118,901.24, 164,090.40 and 70,531.84

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Solution

The fourth proportional to 118,901.24, 164,090.40 and 70,531.84 is: 97,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,901.24 : 164,090.40 = 70,531.84 : x
  2. Step 2: Convert to fraction form
    118,901.24/164,090.40 = 70,531.84/x
  3. Step 3: Cross multiply
    118,901.24x = 164,090.40 × 70,531.84
  4. Step 4: Simplify right side
    118,901.24x = 11,573,597,838.34
  5. Step 5: Solve for x
    x = 11,573,597,838.34/118,901.24
  6. Step 6: Final answer
    x = 97,337.91

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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.