Home / 190,397.28-262,726.56-105,492.72

Finding the Fourth Proportional to 190,397.28, 262,726.56 and 105,492.72

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Solution

The fourth proportional to 190,397.28, 262,726.56 and 105,492.72 is: 145,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,397.28 : 262,726.56 = 105,492.72 : x
  2. Step 2: Convert to fraction form
    190,397.28/262,726.56 = 105,492.72/x
  3. Step 3: Cross multiply
    190,397.28x = 262,726.56 × 105,492.72
  4. Step 4: Simplify right side
    190,397.28x = 27,715,739,430.64
  5. Step 5: Solve for x
    x = 27,715,739,430.64/190,397.28
  6. Step 6: Final answer
    x = 145,567.94

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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.