Home / 133,561.74-184,320.17-76,210.40

Finding the Fourth Proportional to 133,561.74, 184,320.17 and 76,210.40

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Solution

The fourth proportional to 133,561.74, 184,320.17 and 76,210.40 is: 105,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,561.74 : 184,320.17 = 76,210.40 : x
  2. Step 2: Convert to fraction form
    133,561.74/184,320.17 = 76,210.40/x
  3. Step 3: Cross multiply
    133,561.74x = 184,320.17 × 76,210.40
  4. Step 4: Simplify right side
    133,561.74x = 14,047,113,883.77
  5. Step 5: Solve for x
    x = 14,047,113,883.77/133,561.74
  6. Step 6: Final answer
    x = 105,173.19

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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.