Home / 145,827.60-218,449.80-98,588.40

Finding the Fourth Proportional to 145,827.60, 218,449.80 and 98,588.40

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Solution

The fourth proportional to 145,827.60, 218,449.80 and 98,588.40 is: 147,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,827.60 : 218,449.80 = 98,588.40 : x
  2. Step 2: Convert to fraction form
    145,827.60/218,449.80 = 98,588.40/x
  3. Step 3: Cross multiply
    145,827.60x = 218,449.80 × 98,588.40
  4. Step 4: Simplify right side
    145,827.60x = 21,536,616,262.32
  5. Step 5: Solve for x
    x = 21,536,616,262.32/145,827.60
  6. Step 6: Final answer
    x = 147,685.46

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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.