Home / 346,607.93-478,063.05-219,160.50

Finding the Fourth Proportional to 346,607.93, 478,063.05 and 219,160.50

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Solution

The fourth proportional to 346,607.93, 478,063.05 and 219,160.50 is: 302,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,607.93 : 478,063.05 = 219,160.50 : x
  2. Step 2: Convert to fraction form
    346,607.93/478,063.05 = 219,160.50/x
  3. Step 3: Cross multiply
    346,607.93x = 478,063.05 × 219,160.50
  4. Step 4: Simplify right side
    346,607.93x = 104,772,537,069.53
  5. Step 5: Solve for x
    x = 104,772,537,069.53/346,607.93
  6. Step 6: Final answer
    x = 302,279.69

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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.