Home / 145,969.03-201,360.78-126,805.78

Finding the Fourth Proportional to 145,969.03, 201,360.78 and 126,805.78

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Solution

The fourth proportional to 145,969.03, 201,360.78 and 126,805.78 is: 174,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,969.03 : 201,360.78 = 126,805.78 : x
  2. Step 2: Convert to fraction form
    145,969.03/201,360.78 = 126,805.78/x
  3. Step 3: Cross multiply
    145,969.03x = 201,360.78 × 126,805.78
  4. Step 4: Simplify right side
    145,969.03x = 25,533,711,021.01
  5. Step 5: Solve for x
    x = 25,533,711,021.01/145,969.03
  6. Step 6: Final answer
    x = 174,925.54

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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.