Home / 210,955.49-291,117.52-114,159.28

Finding the Fourth Proportional to 210,955.49, 291,117.52 and 114,159.28

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Solution

The fourth proportional to 210,955.49, 291,117.52 and 114,159.28 is: 157,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,955.49 : 291,117.52 = 114,159.28 : x
  2. Step 2: Convert to fraction form
    210,955.49/291,117.52 = 114,159.28/x
  3. Step 3: Cross multiply
    210,955.49x = 291,117.52 × 114,159.28
  4. Step 4: Simplify right side
    210,955.49x = 33,233,765,465.39
  5. Step 5: Solve for x
    x = 33,233,765,465.39/210,955.49
  6. Step 6: Final answer
    x = 157,539.23

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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.