Home / 292,743.36-403,985.88-158,607.36

Finding the Fourth Proportional to 292,743.36, 403,985.88 and 158,607.36

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Solution

The fourth proportional to 292,743.36, 403,985.88 and 158,607.36 is: 218,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,743.36 : 403,985.88 = 158,607.36 : x
  2. Step 2: Convert to fraction form
    292,743.36/403,985.88 = 158,607.36/x
  3. Step 3: Cross multiply
    292,743.36x = 403,985.88 × 158,607.36
  4. Step 4: Simplify right side
    292,743.36x = 64,075,133,904.08
  5. Step 5: Solve for x
    x = 64,075,133,904.08/292,743.36
  6. Step 6: Final answer
    x = 218,878.18

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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.