Home / 133,315.60-199,973.40-97,886.20

Finding the Fourth Proportional to 133,315.60, 199,973.40 and 97,886.20

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Solution

The fourth proportional to 133,315.60, 199,973.40 and 97,886.20 is: 146,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,315.60 : 199,973.40 = 97,886.20 : x
  2. Step 2: Convert to fraction form
    133,315.60/199,973.40 = 97,886.20/x
  3. Step 3: Cross multiply
    133,315.60x = 199,973.40 × 97,886.20
  4. Step 4: Simplify right side
    133,315.60x = 19,574,636,227.08
  5. Step 5: Solve for x
    x = 19,574,636,227.08/133,315.60
  6. Step 6: Final answer
    x = 146,829.30

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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.