Home / 140,001.16-210,128-94,913.40

Finding the Fourth Proportional to 140,001.16, 210,128 and 94,913.40

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Solution

The fourth proportional to 140,001.16, 210,128 and 94,913.40 is: 142,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,001.16 : 210,128 = 94,913.40 : x
  2. Step 2: Convert to fraction form
    140,001.16/210,128 = 94,913.40/x
  3. Step 3: Cross multiply
    140,001.16x = 210,128 × 94,913.40
  4. Step 4: Simplify right side
    140,001.16x = 19,943,962,915.20
  5. Step 5: Solve for x
    x = 19,943,962,915.20/140,001.16
  6. Step 6: Final answer
    x = 142,455.70

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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.