Home / 190,328.34-262,632.87-105,437.10

Finding the Fourth Proportional to 190,328.34, 262,632.87 and 105,437.10

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Solution

The fourth proportional to 190,328.34, 262,632.87 and 105,437.10 is: 145,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,328.34 : 262,632.87 = 105,437.10 : x
  2. Step 2: Convert to fraction form
    190,328.34/262,632.87 = 105,437.10/x
  3. Step 3: Cross multiply
    190,328.34x = 262,632.87 × 105,437.10
  4. Step 4: Simplify right side
    190,328.34x = 27,691,248,177.48
  5. Step 5: Solve for x
    x = 27,691,248,177.48/190,328.34
  6. Step 6: Final answer
    x = 145,491.99

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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.