Home / 155,756.10-214,934.67-92,114.40

Finding the Fourth Proportional to 155,756.10, 214,934.67 and 92,114.40

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Solution

The fourth proportional to 155,756.10, 214,934.67 and 92,114.40 is: 127,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,756.10 : 214,934.67 = 92,114.40 : x
  2. Step 2: Convert to fraction form
    155,756.10/214,934.67 = 92,114.40/x
  3. Step 3: Cross multiply
    155,756.10x = 214,934.67 × 92,114.40
  4. Step 4: Simplify right side
    155,756.10x = 19,798,578,166.25
  5. Step 5: Solve for x
    x = 19,798,578,166.25/155,756.10
  6. Step 6: Final answer
    x = 127,112.70

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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.