Home / 100,365.10-150,547.71-25,490.86

Finding the Fourth Proportional to 100,365.10, 150,547.71 and 25,490.86

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Solution

The fourth proportional to 100,365.10, 150,547.71 and 25,490.86 is: 38,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,365.10 : 150,547.71 = 25,490.86 : x
  2. Step 2: Convert to fraction form
    100,365.10/150,547.71 = 25,490.86/x
  3. Step 3: Cross multiply
    100,365.10x = 150,547.71 × 25,490.86
  4. Step 4: Simplify right side
    100,365.10x = 3,837,590,598.93
  5. Step 5: Solve for x
    x = 3,837,590,598.93/100,365.10
  6. Step 6: Final answer
    x = 38,236.31

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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.