Home / 157,715.09-235,365.68-140,886.12

Finding the Fourth Proportional to 157,715.09, 235,365.68 and 140,886.12

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Solution

The fourth proportional to 157,715.09, 235,365.68 and 140,886.12 is: 210,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,715.09 : 235,365.68 = 140,886.12 : x
  2. Step 2: Convert to fraction form
    157,715.09/235,365.68 = 140,886.12/x
  3. Step 3: Cross multiply
    157,715.09x = 235,365.68 × 140,886.12
  4. Step 4: Simplify right side
    157,715.09x = 33,159,757,436.36
  5. Step 5: Solve for x
    x = 33,159,757,436.36/157,715.09
  6. Step 6: Final answer
    x = 210,251.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.