Home / 190,887.24-286,267.28-77,005.64

Finding the Fourth Proportional to 190,887.24, 286,267.28 and 77,005.64

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Solution

The fourth proportional to 190,887.24, 286,267.28 and 77,005.64 is: 115,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,887.24 : 286,267.28 = 77,005.64 : x
  2. Step 2: Convert to fraction form
    190,887.24/286,267.28 = 77,005.64/x
  3. Step 3: Cross multiply
    190,887.24x = 286,267.28 × 77,005.64
  4. Step 4: Simplify right side
    190,887.24x = 22,044,195,107.46
  5. Step 5: Solve for x
    x = 22,044,195,107.46/190,887.24
  6. Step 6: Final answer
    x = 115,482.81

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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.