Home / 162,783.46-224,645.16-91,178.04

Finding the Fourth Proportional to 162,783.46, 224,645.16 and 91,178.04

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Solution

The fourth proportional to 162,783.46, 224,645.16 and 91,178.04 is: 125,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,783.46 : 224,645.16 = 91,178.04 : x
  2. Step 2: Convert to fraction form
    162,783.46/224,645.16 = 91,178.04/x
  3. Step 3: Cross multiply
    162,783.46x = 224,645.16 × 91,178.04
  4. Step 4: Simplify right side
    162,783.46x = 20,482,705,384.29
  5. Step 5: Solve for x
    x = 20,482,705,384.29/162,783.46
  6. Step 6: Final answer
    x = 125,827.93

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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.