Home / 144,528.60-216,501.30-97,289.40

Finding the Fourth Proportional to 144,528.60, 216,501.30 and 97,289.40

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Solution

The fourth proportional to 144,528.60, 216,501.30 and 97,289.40 is: 145,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,528.60 : 216,501.30 = 97,289.40 : x
  2. Step 2: Convert to fraction form
    144,528.60/216,501.30 = 97,289.40/x
  3. Step 3: Cross multiply
    144,528.60x = 216,501.30 × 97,289.40
  4. Step 4: Simplify right side
    144,528.60x = 21,063,281,576.22
  5. Step 5: Solve for x
    x = 21,063,281,576.22/144,528.60
  6. Step 6: Final answer
    x = 145,737.81

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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.