Home / 161,681.30-223,124.09-90,062.46

Finding the Fourth Proportional to 161,681.30, 223,124.09 and 90,062.46

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Solution

The fourth proportional to 161,681.30, 223,124.09 and 90,062.46 is: 124,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,681.30 : 223,124.09 = 90,062.46 : x
  2. Step 2: Convert to fraction form
    161,681.30/223,124.09 = 90,062.46/x
  3. Step 3: Cross multiply
    161,681.30x = 223,124.09 × 90,062.46
  4. Step 4: Simplify right side
    161,681.30x = 20,095,104,430.66
  5. Step 5: Solve for x
    x = 20,095,104,430.66/161,681.30
  6. Step 6: Final answer
    x = 124,288.37

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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.