Home / 133,017.16-183,595.20-76,461.40

Finding the Fourth Proportional to 133,017.16, 183,595.20 and 76,461.40

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Solution

The fourth proportional to 133,017.16, 183,595.20 and 76,461.40 is: 105,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017.16 : 183,595.20 = 76,461.40 : x
  2. Step 2: Convert to fraction form
    133,017.16/183,595.20 = 76,461.40/x
  3. Step 3: Cross multiply
    133,017.16x = 183,595.20 × 76,461.40
  4. Step 4: Simplify right side
    133,017.16x = 14,037,946,025.28
  5. Step 5: Solve for x
    x = 14,037,946,025.28/133,017.16
  6. Step 6: Final answer
    x = 105,534.85

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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.