Home / 252,607.95-348,598.76-139,430.43

Finding the Fourth Proportional to 252,607.95, 348,598.76 and 139,430.43

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Solution

The fourth proportional to 252,607.95, 348,598.76 and 139,430.43 is: 192,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,607.95 : 348,598.76 = 139,430.43 : x
  2. Step 2: Convert to fraction form
    252,607.95/348,598.76 = 139,430.43/x
  3. Step 3: Cross multiply
    252,607.95x = 348,598.76 × 139,430.43
  4. Step 4: Simplify right side
    252,607.95x = 48,605,274,307.11
  5. Step 5: Solve for x
    x = 48,605,274,307.11/252,607.95
  6. Step 6: Final answer
    x = 192,413.87

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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.