Home / 115,228.47-159,050.44-66,842.63

Finding the Fourth Proportional to 115,228.47, 159,050.44 and 66,842.63

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Solution

The fourth proportional to 115,228.47, 159,050.44 and 66,842.63 is: 92,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,228.47 : 159,050.44 = 66,842.63 : x
  2. Step 2: Convert to fraction form
    115,228.47/159,050.44 = 66,842.63/x
  3. Step 3: Cross multiply
    115,228.47x = 159,050.44 × 66,842.63
  4. Step 4: Simplify right side
    115,228.47x = 10,631,349,712.26
  5. Step 5: Solve for x
    x = 10,631,349,712.26/115,228.47
  6. Step 6: Final answer
    x = 92,263.22

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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.