Home / 151,555.84-209,110.49-97,829.35

Finding the Fourth Proportional to 151,555.84, 209,110.49 and 97,829.35

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Solution

The fourth proportional to 151,555.84, 209,110.49 and 97,829.35 is: 134,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,555.84 : 209,110.49 = 97,829.35 : x
  2. Step 2: Convert to fraction form
    151,555.84/209,110.49 = 97,829.35/x
  3. Step 3: Cross multiply
    151,555.84x = 209,110.49 × 97,829.35
  4. Step 4: Simplify right side
    151,555.84x = 20,457,142,825.73
  5. Step 5: Solve for x
    x = 20,457,142,825.73/151,555.84
  6. Step 6: Final answer
    x = 134,980.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.