Home / 153,919-230,710.38-97,784.20

Finding the Fourth Proportional to 153,919, 230,710.38 and 97,784.20

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Solution

The fourth proportional to 153,919, 230,710.38 and 97,784.20 is: 146,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,919 : 230,710.38 = 97,784.20 : x
  2. Step 2: Convert to fraction form
    153,919/230,710.38 = 97,784.20/x
  3. Step 3: Cross multiply
    153,919x = 230,710.38 × 97,784.20
  4. Step 4: Simplify right side
    153,919x = 22,559,829,940.00
  5. Step 5: Solve for x
    x = 22,559,829,940.00/153,919
  6. Step 6: Final answer
    x = 146,569.49

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1.5x scale

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.