Home / 201,515.40-302,290.02-61,275.24

Finding the Fourth Proportional to 201,515.40, 302,290.02 and 61,275.24

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Solution

The fourth proportional to 201,515.40, 302,290.02 and 61,275.24 is: 91,918.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,515.40 : 302,290.02 = 61,275.24 : x
  2. Step 2: Convert to fraction form
    201,515.40/302,290.02 = 61,275.24/x
  3. Step 3: Cross multiply
    201,515.40x = 302,290.02 × 61,275.24
  4. Step 4: Simplify right side
    201,515.40x = 18,522,893,525.10
  5. Step 5: Solve for x
    x = 18,522,893,525.10/201,515.40
  6. Step 6: Final answer
    x = 91,918.00

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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.