Home / 190,053.19-262,275.74-105,178.15

Finding the Fourth Proportional to 190,053.19, 262,275.74 and 105,178.15

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Solution

The fourth proportional to 190,053.19, 262,275.74 and 105,178.15 is: 145,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,053.19 : 262,275.74 = 105,178.15 : x
  2. Step 2: Convert to fraction form
    190,053.19/262,275.74 = 105,178.15/x
  3. Step 3: Cross multiply
    190,053.19x = 262,275.74 × 105,178.15
  4. Step 4: Simplify right side
    190,053.19x = 27,585,677,123.08
  5. Step 5: Solve for x
    x = 27,585,677,123.08/190,053.19
  6. Step 6: Final answer
    x = 145,147.14

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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.