Home / 114,502.48-157,830.80-90,263.92

Finding the Fourth Proportional to 114,502.48, 157,830.80 and 90,263.92

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Solution

The fourth proportional to 114,502.48, 157,830.80 and 90,263.92 is: 124,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,502.48 : 157,830.80 = 90,263.92 : x
  2. Step 2: Convert to fraction form
    114,502.48/157,830.80 = 90,263.92/x
  3. Step 3: Cross multiply
    114,502.48x = 157,830.80 × 90,263.92
  4. Step 4: Simplify right side
    114,502.48x = 14,246,426,704.74
  5. Step 5: Solve for x
    x = 14,246,426,704.74/114,502.48
  6. Step 6: Final answer
    x = 124,420.25

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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.