Home / 152,176.15-210,070.35-90,943.94

Finding the Fourth Proportional to 152,176.15, 210,070.35 and 90,943.94

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Solution

The fourth proportional to 152,176.15, 210,070.35 and 90,943.94 is: 125,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,176.15 : 210,070.35 = 90,943.94 : x
  2. Step 2: Convert to fraction form
    152,176.15/210,070.35 = 90,943.94/x
  3. Step 3: Cross multiply
    152,176.15x = 210,070.35 × 90,943.94
  4. Step 4: Simplify right side
    152,176.15x = 19,104,625,831.35
  5. Step 5: Solve for x
    x = 19,104,625,831.35/152,176.15
  6. Step 6: Final answer
    x = 125,542.84

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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.