Home / 147,854.41-204,038.88-84,192.20

Finding the Fourth Proportional to 147,854.41, 204,038.88 and 84,192.20

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Solution

The fourth proportional to 147,854.41, 204,038.88 and 84,192.20 is: 116,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854.41 : 204,038.88 = 84,192.20 : x
  2. Step 2: Convert to fraction form
    147,854.41/204,038.88 = 84,192.20/x
  3. Step 3: Cross multiply
    147,854.41x = 204,038.88 × 84,192.20
  4. Step 4: Simplify right side
    147,854.41x = 17,178,483,243.27
  5. Step 5: Solve for x
    x = 17,178,483,243.27/147,854.41
  6. Step 6: Final answer
    x = 116,185.13

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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.