Home / 107,150.45-147,828.11-64,130.94

Finding the Fourth Proportional to 107,150.45, 147,828.11 and 64,130.94

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Solution

The fourth proportional to 107,150.45, 147,828.11 and 64,130.94 is: 88,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,150.45 : 147,828.11 = 64,130.94 : x
  2. Step 2: Convert to fraction form
    107,150.45/147,828.11 = 64,130.94/x
  3. Step 3: Cross multiply
    107,150.45x = 147,828.11 × 64,130.94
  4. Step 4: Simplify right side
    107,150.45x = 9,480,355,332.07
  5. Step 5: Solve for x
    x = 9,480,355,332.07/107,150.45
  6. Step 6: Final answer
    x = 88,477.05

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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.