Home / 354,400.04-489,061.14-193,258.10

Finding the Fourth Proportional to 354,400.04, 489,061.14 and 193,258.10

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Solution

The fourth proportional to 354,400.04, 489,061.14 and 193,258.10 is: 266,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,400.04 : 489,061.14 = 193,258.10 : x
  2. Step 2: Convert to fraction form
    354,400.04/489,061.14 = 193,258.10/x
  3. Step 3: Cross multiply
    354,400.04x = 489,061.14 × 193,258.10
  4. Step 4: Simplify right side
    354,400.04x = 94,515,026,700.23
  5. Step 5: Solve for x
    x = 94,515,026,700.23/354,400.04
  6. Step 6: Final answer
    x = 266,690.23

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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.