Home / 282,298.36-389,570.16-153,239.44

Finding the Fourth Proportional to 282,298.36, 389,570.16 and 153,239.44

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Solution

The fourth proportional to 282,298.36, 389,570.16 and 153,239.44 is: 211,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,298.36 : 389,570.16 = 153,239.44 : x
  2. Step 2: Convert to fraction form
    282,298.36/389,570.16 = 153,239.44/x
  3. Step 3: Cross multiply
    282,298.36x = 389,570.16 × 153,239.44
  4. Step 4: Simplify right side
    282,298.36x = 59,697,513,159.11
  5. Step 5: Solve for x
    x = 59,697,513,159.11/282,298.36
  6. Step 6: Final answer
    x = 211,469.57

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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.