Home / 190,426.61-262,669.23-122,531.81

Finding the Fourth Proportional to 190,426.61, 262,669.23 and 122,531.81

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Solution

The fourth proportional to 190,426.61, 262,669.23 and 122,531.81 is: 169,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,426.61 : 262,669.23 = 122,531.81 : x
  2. Step 2: Convert to fraction form
    190,426.61/262,669.23 = 122,531.81/x
  3. Step 3: Cross multiply
    190,426.61x = 262,669.23 × 122,531.81
  4. Step 4: Simplify right side
    190,426.61x = 32,185,334,869.86
  5. Step 5: Solve for x
    x = 32,185,334,869.86/190,426.61
  6. Step 6: Final answer
    x = 169,017.00

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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.