Home / 211,037.95-291,220.80-115,526.17

Finding the Fourth Proportional to 211,037.95, 291,220.80 and 115,526.17

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Solution

The fourth proportional to 211,037.95, 291,220.80 and 115,526.17 is: 159,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,037.95 : 291,220.80 = 115,526.17 : x
  2. Step 2: Convert to fraction form
    211,037.95/291,220.80 = 115,526.17/x
  3. Step 3: Cross multiply
    211,037.95x = 291,220.80 × 115,526.17
  4. Step 4: Simplify right side
    211,037.95x = 33,643,623,648.34
  5. Step 5: Solve for x
    x = 33,643,623,648.34/211,037.95
  6. Step 6: Final answer
    x = 159,419.78

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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.