Home / 199,518.16-274,955.16-142,831.12

Finding the Fourth Proportional to 199,518.16, 274,955.16 and 142,831.12

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Solution

The fourth proportional to 199,518.16, 274,955.16 and 142,831.12 is: 196,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,518.16 : 274,955.16 = 142,831.12 : x
  2. Step 2: Convert to fraction form
    199,518.16/274,955.16 = 142,831.12/x
  3. Step 3: Cross multiply
    199,518.16x = 274,955.16 × 142,831.12
  4. Step 4: Simplify right side
    199,518.16x = 39,272,153,452.58
  5. Step 5: Solve for x
    x = 39,272,153,452.58/199,518.16
  6. Step 6: Final answer
    x = 196,834.98

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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.