Home / 114,154.09-157,521.91-77,285.32

Finding the Fourth Proportional to 114,154.09, 157,521.91 and 77,285.32

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Solution

The fourth proportional to 114,154.09, 157,521.91 and 77,285.32 is: 106,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,154.09 : 157,521.91 = 77,285.32 : x
  2. Step 2: Convert to fraction form
    114,154.09/157,521.91 = 77,285.32/x
  3. Step 3: Cross multiply
    114,154.09x = 157,521.91 × 77,285.32
  4. Step 4: Simplify right side
    114,154.09x = 12,174,131,221.36
  5. Step 5: Solve for x
    x = 12,174,131,221.36/114,154.09
  6. Step 6: Final answer
    x = 106,646.47

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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.