Home / 114,328.48-171,430.84-90,787.46

Finding the Fourth Proportional to 114,328.48, 171,430.84 and 90,787.46

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Solution

The fourth proportional to 114,328.48, 171,430.84 and 90,787.46 is: 136,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,328.48 : 171,430.84 = 90,787.46 : x
  2. Step 2: Convert to fraction form
    114,328.48/171,430.84 = 90,787.46/x
  3. Step 3: Cross multiply
    114,328.48x = 171,430.84 × 90,787.46
  4. Step 4: Simplify right side
    114,328.48x = 15,563,770,529.27
  5. Step 5: Solve for x
    x = 15,563,770,529.27/114,328.48
  6. Step 6: Final answer
    x = 136,132.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.