Home / 111,477.04-153,966.08-73,406.79

Finding the Fourth Proportional to 111,477.04, 153,966.08 and 73,406.79

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Solution

The fourth proportional to 111,477.04, 153,966.08 and 73,406.79 is: 101,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,477.04 : 153,966.08 = 73,406.79 : x
  2. Step 2: Convert to fraction form
    111,477.04/153,966.08 = 73,406.79/x
  3. Step 3: Cross multiply
    111,477.04x = 153,966.08 × 73,406.79
  4. Step 4: Simplify right side
    111,477.04x = 11,302,155,885.20
  5. Step 5: Solve for x
    x = 11,302,155,885.20/111,477.04
  6. Step 6: Final answer
    x = 101,385.51

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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.