Home / 190,276.59-262,590.36-105,393.66

Finding the Fourth Proportional to 190,276.59, 262,590.36 and 105,393.66

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Solution

The fourth proportional to 190,276.59, 262,590.36 and 105,393.66 is: 145,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,276.59 : 262,590.36 = 105,393.66 : x
  2. Step 2: Convert to fraction form
    190,276.59/262,590.36 = 105,393.66/x
  3. Step 3: Cross multiply
    190,276.59x = 262,590.36 × 105,393.66
  4. Step 4: Simplify right side
    190,276.59x = 27,675,357,741.18
  5. Step 5: Solve for x
    x = 27,675,357,741.18/190,276.59
  6. Step 6: Final answer
    x = 145,448.04

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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.