Home / 153,337.39-211,681.96-118,804.66

Finding the Fourth Proportional to 153,337.39, 211,681.96 and 118,804.66

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Solution

The fourth proportional to 153,337.39, 211,681.96 and 118,804.66 is: 164,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,337.39 : 211,681.96 = 118,804.66 : x
  2. Step 2: Convert to fraction form
    153,337.39/211,681.96 = 118,804.66/x
  3. Step 3: Cross multiply
    153,337.39x = 211,681.96 × 118,804.66
  4. Step 4: Simplify right side
    153,337.39x = 25,148,802,459.72
  5. Step 5: Solve for x
    x = 25,148,802,459.72/153,337.39
  6. Step 6: Final answer
    x = 164,009.59

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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.