Home / 144,509.51-199,490.07-84,058.13

Finding the Fourth Proportional to 144,509.51, 199,490.07 and 84,058.13

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Solution

The fourth proportional to 144,509.51, 199,490.07 and 84,058.13 is: 116,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,509.51 : 199,490.07 = 84,058.13 : x
  2. Step 2: Convert to fraction form
    144,509.51/199,490.07 = 84,058.13/x
  3. Step 3: Cross multiply
    144,509.51x = 199,490.07 × 84,058.13
  4. Step 4: Simplify right side
    144,509.51x = 16,768,761,240.32
  5. Step 5: Solve for x
    x = 16,768,761,240.32/144,509.51
  6. Step 6: Final answer
    x = 116,039.16

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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.