Home / 210,307.36-290,228.54-114,818.08

Finding the Fourth Proportional to 210,307.36, 290,228.54 and 114,818.08

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Solution

The fourth proportional to 210,307.36, 290,228.54 and 114,818.08 is: 158,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,307.36 : 290,228.54 = 114,818.08 : x
  2. Step 2: Convert to fraction form
    210,307.36/290,228.54 = 114,818.08/x
  3. Step 3: Cross multiply
    210,307.36x = 290,228.54 × 114,818.08
  4. Step 4: Simplify right side
    210,307.36x = 33,323,483,724.00
  5. Step 5: Solve for x
    x = 33,323,483,724.00/210,307.36
  6. Step 6: Final answer
    x = 158,451.34

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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.