Home / 190,323.47-262,527.48-122,428.87

Finding the Fourth Proportional to 190,323.47, 262,527.48 and 122,428.87

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Solution

The fourth proportional to 190,323.47, 262,527.48 and 122,428.87 is: 168,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,323.47 : 262,527.48 = 122,428.87 : x
  2. Step 2: Convert to fraction form
    190,323.47/262,527.48 = 122,428.87/x
  3. Step 3: Cross multiply
    190,323.47x = 262,527.48 × 122,428.87
  4. Step 4: Simplify right side
    190,323.47x = 32,140,942,064.03
  5. Step 5: Solve for x
    x = 32,140,942,064.03/190,323.47
  6. Step 6: Final answer
    x = 168,875.34

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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.