Home / 112,297.36-154,967.99-61,307.63

Finding the Fourth Proportional to 112,297.36, 154,967.99 and 61,307.63

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Solution

The fourth proportional to 112,297.36, 154,967.99 and 61,307.63 is: 84,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,297.36 : 154,967.99 = 61,307.63 : x
  2. Step 2: Convert to fraction form
    112,297.36/154,967.99 = 61,307.63/x
  3. Step 3: Cross multiply
    112,297.36x = 154,967.99 × 61,307.63
  4. Step 4: Simplify right side
    112,297.36x = 9,500,719,111.39
  5. Step 5: Solve for x
    x = 9,500,719,111.39/112,297.36
  6. Step 6: Final answer
    x = 84,603.23

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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.