Home / 133,009.61-183,557.33-75,657.20

Finding the Fourth Proportional to 133,009.61, 183,557.33 and 75,657.20

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Solution

The fourth proportional to 133,009.61, 183,557.33 and 75,657.20 is: 104,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,009.61 : 183,557.33 = 75,657.20 : x
  2. Step 2: Convert to fraction form
    133,009.61/183,557.33 = 75,657.20/x
  3. Step 3: Cross multiply
    133,009.61x = 183,557.33 × 75,657.20
  4. Step 4: Simplify right side
    133,009.61x = 13,887,432,331.20
  5. Step 5: Solve for x
    x = 13,887,432,331.20/133,009.61
  6. Step 6: Final answer
    x = 104,409.24

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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.