Home / 98,421.20-147,631.80-94,533.20

Finding the Fourth Proportional to 98,421.20, 147,631.80 and 94,533.20

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Solution

The fourth proportional to 98,421.20, 147,631.80 and 94,533.20 is: 141,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,421.20 : 147,631.80 = 94,533.20 : x
  2. Step 2: Convert to fraction form
    98,421.20/147,631.80 = 94,533.20/x
  3. Step 3: Cross multiply
    98,421.20x = 147,631.80 × 94,533.20
  4. Step 4: Simplify right side
    98,421.20x = 13,956,106,475.76
  5. Step 5: Solve for x
    x = 13,956,106,475.76/98,421.20
  6. Step 6: Final answer
    x = 141,799.80

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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.