Home / 163,383.12-245,123.90-58,188.40

Finding the Fourth Proportional to 163,383.12, 245,123.90 and 58,188.40

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Solution

The fourth proportional to 163,383.12, 245,123.90 and 58,188.40 is: 87,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,383.12 : 245,123.90 = 58,188.40 : x
  2. Step 2: Convert to fraction form
    163,383.12/245,123.90 = 58,188.40/x
  3. Step 3: Cross multiply
    163,383.12x = 245,123.90 × 58,188.40
  4. Step 4: Simplify right side
    163,383.12x = 14,263,367,542.76
  5. Step 5: Solve for x
    x = 14,263,367,542.76/163,383.12
  6. Step 6: Final answer
    x = 87,300.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.