Home / 354,948.03-489,824.57-193,802.58

Finding the Fourth Proportional to 354,948.03, 489,824.57 and 193,802.58

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Solution

The fourth proportional to 354,948.03, 489,824.57 and 193,802.58 is: 267,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,948.03 : 489,824.57 = 193,802.58 : x
  2. Step 2: Convert to fraction form
    354,948.03/489,824.57 = 193,802.58/x
  3. Step 3: Cross multiply
    354,948.03x = 489,824.57 × 193,802.58
  4. Step 4: Simplify right side
    354,948.03x = 94,929,264,444.38
  5. Step 5: Solve for x
    x = 94,929,264,444.38/354,948.03
  6. Step 6: Final answer
    x = 267,445.53

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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.