Home / 158,897.16-219,316.26-90,953.52

Finding the Fourth Proportional to 158,897.16, 219,316.26 and 90,953.52

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Solution

The fourth proportional to 158,897.16, 219,316.26 and 90,953.52 is: 125,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,897.16 : 219,316.26 = 90,953.52 : x
  2. Step 2: Convert to fraction form
    158,897.16/219,316.26 = 90,953.52/x
  3. Step 3: Cross multiply
    158,897.16x = 219,316.26 × 90,953.52
  4. Step 4: Simplify right side
    158,897.16x = 19,947,585,840.24
  5. Step 5: Solve for x
    x = 19,947,585,840.24/158,897.16
  6. Step 6: Final answer
    x = 125,537.71

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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.