Home / 153,360.36-211,642.04-83,514.32

Finding the Fourth Proportional to 153,360.36, 211,642.04 and 83,514.32

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Solution

The fourth proportional to 153,360.36, 211,642.04 and 83,514.32 is: 115,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,360.36 : 211,642.04 = 83,514.32 : x
  2. Step 2: Convert to fraction form
    153,360.36/211,642.04 = 83,514.32/x
  3. Step 3: Cross multiply
    153,360.36x = 211,642.04 × 83,514.32
  4. Step 4: Simplify right side
    153,360.36x = 17,675,141,054.01
  5. Step 5: Solve for x
    x = 17,675,141,054.01/153,360.36
  6. Step 6: Final answer
    x = 115,252.34

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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.