Home / 133,055.13-183,614.80-72,626.16

Finding the Fourth Proportional to 133,055.13, 183,614.80 and 72,626.16

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Solution

The fourth proportional to 133,055.13, 183,614.80 and 72,626.16 is: 100,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.13 : 183,614.80 = 72,626.16 : x
  2. Step 2: Convert to fraction form
    133,055.13/183,614.80 = 72,626.16/x
  3. Step 3: Cross multiply
    133,055.13x = 183,614.80 × 72,626.16
  4. Step 4: Simplify right side
    133,055.13x = 13,335,237,843.17
  5. Step 5: Solve for x
    x = 13,335,237,843.17/133,055.13
  6. Step 6: Final answer
    x = 100,223.40

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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.