Home / 162,482.12-224,281.69-111,663.07

Finding the Fourth Proportional to 162,482.12, 224,281.69 and 111,663.07

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Solution

The fourth proportional to 162,482.12, 224,281.69 and 111,663.07 is: 154,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,482.12 : 224,281.69 = 111,663.07 : x
  2. Step 2: Convert to fraction form
    162,482.12/224,281.69 = 111,663.07/x
  3. Step 3: Cross multiply
    162,482.12x = 224,281.69 × 111,663.07
  4. Step 4: Simplify right side
    162,482.12x = 25,043,983,100.02
  5. Step 5: Solve for x
    x = 25,043,983,100.02/162,482.12
  6. Step 6: Final answer
    x = 154,133.78

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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.