Home / 253,434.17-349,701.51-153,927

Finding the Fourth Proportional to 253,434.17, 349,701.51 and 153,927

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Solution

The fourth proportional to 253,434.17, 349,701.51 and 153,927 is: 212,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,434.17 : 349,701.51 = 153,927 : x
  2. Step 2: Convert to fraction form
    253,434.17/349,701.51 = 153,927/x
  3. Step 3: Cross multiply
    253,434.17x = 349,701.51 × 153,927
  4. Step 4: Simplify right side
    253,434.17x = 53,828,504,329.77
  5. Step 5: Solve for x
    x = 53,828,504,329.77/253,434.17
  6. Step 6: Final answer
    x = 212,396.40

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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.