Home / 191,529.02-287,417.46-86,341.61

Finding the Fourth Proportional to 191,529.02, 287,417.46 and 86,341.61

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Solution

The fourth proportional to 191,529.02, 287,417.46 and 86,341.61 is: 129,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,529.02 : 287,417.46 = 86,341.61 : x
  2. Step 2: Convert to fraction form
    191,529.02/287,417.46 = 86,341.61/x
  3. Step 3: Cross multiply
    191,529.02x = 287,417.46 × 86,341.61
  4. Step 4: Simplify right side
    191,529.02x = 24,816,086,238.51
  5. Step 5: Solve for x
    x = 24,816,086,238.51/191,529.02
  6. Step 6: Final answer
    x = 129,568.28

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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.