Home / 165,600.10-248,432.55-70,830.10

Finding the Fourth Proportional to 165,600.10, 248,432.55 and 70,830.10

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Solution

The fourth proportional to 165,600.10, 248,432.55 and 70,830.10 is: 106,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,600.10 : 248,432.55 = 70,830.10 : x
  2. Step 2: Convert to fraction form
    165,600.10/248,432.55 = 70,830.10/x
  3. Step 3: Cross multiply
    165,600.10x = 248,432.55 × 70,830.10
  4. Step 4: Simplify right side
    165,600.10x = 17,596,502,359.76
  5. Step 5: Solve for x
    x = 17,596,502,359.76/165,600.10
  6. Step 6: Final answer
    x = 106,259.01

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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.