Home / 152,153.79-209,901.48-98,456.16

Finding the Fourth Proportional to 152,153.79, 209,901.48 and 98,456.16

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Solution

The fourth proportional to 152,153.79, 209,901.48 and 98,456.16 is: 135,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,153.79 : 209,901.48 = 98,456.16 : x
  2. Step 2: Convert to fraction form
    152,153.79/209,901.48 = 98,456.16/x
  3. Step 3: Cross multiply
    152,153.79x = 209,901.48 × 98,456.16
  4. Step 4: Simplify right side
    152,153.79x = 20,666,093,699.12
  5. Step 5: Solve for x
    x = 20,666,093,699.12/152,153.79
  6. Step 6: Final answer
    x = 135,823.72

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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.