Home / 153,603.32-211,977.07-89,935.16

Finding the Fourth Proportional to 153,603.32, 211,977.07 and 89,935.16

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Solution

The fourth proportional to 153,603.32, 211,977.07 and 89,935.16 is: 124,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,603.32 : 211,977.07 = 89,935.16 : x
  2. Step 2: Convert to fraction form
    153,603.32/211,977.07 = 89,935.16/x
  3. Step 3: Cross multiply
    153,603.32x = 211,977.07 × 89,935.16
  4. Step 4: Simplify right side
    153,603.32x = 19,064,190,422.06
  5. Step 5: Solve for x
    x = 19,064,190,422.06/153,603.32
  6. Step 6: Final answer
    x = 124,113.14

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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.