Home / 190,595.52-263,017.80-105,710.76

Finding the Fourth Proportional to 190,595.52, 263,017.80 and 105,710.76

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Solution

The fourth proportional to 190,595.52, 263,017.80 and 105,710.76 is: 145,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,595.52 : 263,017.80 = 105,710.76 : x
  2. Step 2: Convert to fraction form
    190,595.52/263,017.80 = 105,710.76/x
  3. Step 3: Cross multiply
    190,595.52x = 263,017.80 × 105,710.76
  4. Step 4: Simplify right side
    190,595.52x = 27,803,811,531.53
  5. Step 5: Solve for x
    x = 27,803,811,531.53/190,595.52
  6. Step 6: Final answer
    x = 145,878.62

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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.