Home / 110,025.47-151,811.81-64,686.92

Finding the Fourth Proportional to 110,025.47, 151,811.81 and 64,686.92

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Solution

The fourth proportional to 110,025.47, 151,811.81 and 64,686.92 is: 89,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,025.47 : 151,811.81 = 64,686.92 : x
  2. Step 2: Convert to fraction form
    110,025.47/151,811.81 = 64,686.92/x
  3. Step 3: Cross multiply
    110,025.47x = 151,811.81 × 64,686.92
  4. Step 4: Simplify right side
    110,025.47x = 9,820,237,811.18
  5. Step 5: Solve for x
    x = 9,820,237,811.18/110,025.47
  6. Step 6: Final answer
    x = 89,254.22

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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.