Home / 219,068.10-302,313.78-118,466.10

Finding the Fourth Proportional to 219,068.10, 302,313.78 and 118,466.10

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Solution

The fourth proportional to 219,068.10, 302,313.78 and 118,466.10 is: 163,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,068.10 : 302,313.78 = 118,466.10 : x
  2. Step 2: Convert to fraction form
    219,068.10/302,313.78 = 118,466.10/x
  3. Step 3: Cross multiply
    219,068.10x = 302,313.78 × 118,466.10
  4. Step 4: Simplify right side
    219,068.10x = 35,813,934,492.86
  5. Step 5: Solve for x
    x = 35,813,934,492.86/219,068.10
  6. Step 6: Final answer
    x = 163,483.11

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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.